Задача 43121 23. (6-2i)(6-2i)=...

vk12232751

2019-12-26 11:02:12

23. (6-2i)(6-2i)=

sova

2019-12-26 11:40:23

(6–2i)(6–2i)=6^2 - 2i*6+6*(-2i) + (2*i)^2 = 36 - 12*i -12*i + 4*i^2 =36 - 24i - 4 =[b]32 - 24i[/b]